/**
 *    Copyright 2012 Geensoft S.A.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/
package ar.com.greensoft.neo.dao;

import ar.com.greensoft.neo.model.Authority;
import ar.com.greensoft.neo.model.User;

/**
*
* @author Jorge E. Villaverde
* @since 1.0
*/
public interface UserDao extends GenericDao<User, String>{
	/**
	 * @param username
	 * @return
	 */
	User findUserByUsername(String username) throws DaoException;
	
	/**
	 * @param authority
	 * @throws DaoException
	 */
	void addAuthority(Authority authority) throws DaoException;

	/**
	 * @param authority
	 * @throws DaoException
	 */
	void removeAuthority(Authority authority) throws DaoException;

	void removeAuthority(User user, String authority)  throws DaoException;
}